Rename some files for the sake of 8+3 file systems.

Rename some files for the sake of 8+3 file systems.
* tests/aclocali.test:     Rename to tests/aclocal.test.
* tests/aclocali1.test:    Rename to tests/aclocal2.test.
* tests/aclocalii.test:    Rename to tests/aclocal3.test.
* tests/acoutput.test:     Rename to tests/acoutpt.test.
* tests/acoutput2.test:    Rename to tests/acoutpt2.test.
* tests/acouttbs.test:     Rename to tests/acoutbs.test.
* tests/acouttbs2.test:    Rename to tests/acoutbs2.test.
* tests/autoheader.test:   Rename to tests/autohdr.test.
* tests/autoheader2.test:  Rename to tests/autohdr2.test.
* tests/condincl.test:     Rename to tests/condinc.test.
* tests/condincl2.test:    Rename to tests/condinc2.test.
* tests/distcommon.test:   Rename to tests/distcom.test.
* tests/distcommon2.test:  Rename to tests/distcom2.test.
* tests/distcommon3.test:  Rename to tests/distcom3.test.
* tests/installsh.test:    Rename to tests/instsh.test.
* tests/installsh2.test:   Rename to tests/instsh2.test.
* tests/instdata.test:     Rename to tests/instdat.test.
* tests/instdata2.test:    Rename to tests/instdat2.test.
* tests/libobj12b.test:    Rename to tests/libobj13.test.
* tests/link_f_c.test:     Rename to tests/link_fc.test.
* tests/link_f_c_cxx.test: Rename to tests/link_fccxx.test.
* tests/link_f_cxx.test:   Rename to tests/link_fcxx.test.
* tests/nodefine.test:     Rename to tests/nodef.test.
* tests/nodefine2.test:    Rename to tests/nodef2.test.
* tests/required.test:     Rename to tests/reqd.test.
* tests/required2.test:    Rename to tests/reqd2.test.
* tests/sourcesub.test:    Rename to tests/srcsub.test.
* tests/sourcesub2.test:   Rename to tests/srcsub2.test.
* tests/specflags.test:    Rename to tests/specflg.test.
* tests/specflags2.test:   Rename to tests/specflg2.test.
* tests/specflags3.test:   Rename to tests/specflg3.test.
* tests/specflags6.test:   Rename to tests/specflg6.test.
* tests/specflags7.test:   Rename to tests/specflg7.test.
* tests/specflags8.test:   Rename to tests/specflg8.test.
* tests/specflags9.test:   Rename to tests/specflg9.test.
* tests/subdircond.test:   Rename to tests/subcond.test.
* tests/subdircond2.test:  Rename to tests/subcond2.test.
* tests/subdircond3.test:  Rename to tests/subcond3.test.
* tests/texinfo.test:      Rename to tests/txinfo.test.
* tests/texinfo2.test:     Rename to tests/txinfo2.test.
* tests/texinfo3.test:     Rename to tests/txinfo3.test.
* tests/texinfo4.test:     Rename to tests/txinfo4.test.
* tests/texinfo5.test:     Rename to tests/txinfo5.test.
* tests/texinfo6.test:     Rename to tests/txinfo6.test.
* tests/texinfo7.test:     Rename to tests/txinfo7.test.
* tests/texinfo8.test:     Rename to tests/txinfo8.test.
* tests/texinfo9.test:     Rename to tests/txinfo9.test.
* tests/texinfo10.test:    Rename to tests/txinfo10.test.
* tests/texinfo13.test:    Rename to tests/txinfo13.test.
* tests/texinfo16.test:    Rename to tests/txinfo16.test.
* tests/texinfo17.test:    Rename to tests/txinfo17.test.
* tests/texinfo18.test:    Rename to tests/txinfo18.test.
* tests/Makefile.am (TESTS): Adjust.
* ChangeLog.1996: Rename to ChangeLog.96.
* ChangeLog.1998: Rename to ChangeLog.98.
* ChangeLog.2000: Rename to ChangeLog.00.
* ChangeLog.2001: Rename to ChangeLog.01.
* Makefile.am (EXTRA_DIST): Adjust.
Reported by Richard Dawe.